when did call of duty start

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when did call of duty start	1.33	0.9	8134	15	27
when	1.01	0.7	2474	9	4
did	0.36	0.9	2279	43	3
call	0.05	0.8	7268	96	4
of	0.78	0.3	7206	32	2
duty	1.22	0.1	7052	65	4
start	0.79	0.3	3211	36	5

Keyword	CPC	PCC	Volume	Score
when did call of duty start	0.72	1	2236	56
call of duty networking failed to start	0.45	0.9	6150	39
call of duty crashing on startup	0.36	0.6	5052	52
how to start call of duty modern warfare	1.22	0.1	9132	64
how to start playing call of duty	1.3	0.4	3800	63
starting soon call of duty screen	0.97	0.6	5790	13
when did call of duty first start	0.6	0.2	3389	36
when did call of duty league start	1.46	0.8	5559	61
call of duty networking failed to start pc	0.22	0.1	7597	70
call of duty networking failed to start xbox	0.2	0.9	36	69
call of duty mw3 networking failed to start	0.51	0.4	7100	30
call of duty networking error	1.21	0.1	597	76
call of duty connection failed	0.83	0.2	5803	79
call of duty network error	0.81	0.3	1476	55
cod networking failed to start	0.04	0.2	5550	99
cod networking failed to start error	1.58	0.3	4799	9
call of duty failing to launch	1.63	0.5	6883	58
call of duty wont start	0.86	1	9810	74
call of duty does not start	0.53	0.9	5753	63
call of duty not starting	1.38	0.9	5966	48
call of duty waiting for networking	0.27	0.6	185	65
call of duty hq won't start	0.76	0.7	3175	16
call of duty not connecting	1.49	0.1	827	54
why is call of duty not launching	1.8	0.2	6640	42
call of duty not working	1.07	0.7	4732	21